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Arquivotheca.SunOS-4.1.4/lib/libc/stdio/common/rew.c
seta75D ff309bfe1c Init
2021-10-11 18:37:13 -03:00

23 lines
433 B
C

#if !defined(lint) && defined(SCCSIDS)
static char sccsid[] = "@(#)rew.c 1.1 94/10/31 SMI"; /* from S5R2 1.2 */
#endif
/*LINTLIBRARY*/
#include <stdio.h>
extern int fflush();
extern long lseek();
void
rewind(iop)
register FILE *iop;
{
(void) fflush(iop);
(void) lseek(fileno(iop), 0L, 0);
iop->_cnt = 0;
iop->_ptr = iop->_base;
iop->_flag &= ~(_IOERR | _IOEOF);
if(iop->_flag & _IORW)
iop->_flag &= ~(_IOREAD | _IOWRT);
}